21422244044303 has 8 divisors (see below), whose sum is σ = 21485024979600. Its totient is φ = 21359496045888.

The previous prime is 21422244044273. The next prime is 21422244044329. The reversal of 21422244044303 is 30344044222412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21422244044303 - 2¹⁰ = 21422244043279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21422244044603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6931208 + ... + 9533421.

It is an arithmetic number, because the mean of its divisors is an integer number (2685628122450).

Almost surely, 2^{21422244044303} is an apocalyptic number.

21422244044303 is a deficient number, since it is larger than the sum of its proper divisors (62780935297).

21422244044303 is a wasteful number, since it uses less digits than its factorization.

21422244044303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16468441.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 21422244044303 its reverse (30344044222412), we get a palindrome (51766288266715).

The spelling of 21422244044303 in words is "twenty-one trillion, four hundred twenty-two billion, two hundred forty-four million, forty-four thousand, three hundred three".